National Instruments DAQ 6527 - Manuals

Contents © National Instruments Corporation vii 6527 User Manual Tables Table 3-1. Port Functionality for 6527 Devices ..................................................... 3-3 Table 3-2. Signal Descriptions for 6527 Device I/O Connectors ........................... 3-5 Table 4-1. Digital Filter Cha...

© National Instruments Corporation ix 6527 User Manual About This Manual This manual describes the electrical and mechanical aspects of the 6527 devices, and contains information concerning their operation and programming. Unless otherwise noted, the text applies to all devices in the 6527 family, w...

About This Manual 6527 User Manual x www.ni.com Conventions The following conventions appear in this manual: < > Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name—for example, DIG+0.<3..0>. ♦ The ♦ symbol indicat...

© National Instruments Corporation 1-1 6527 User Manual 1 Introduction This chapter describes the 6527 devices; lists what you need to get started, software programming choices, and optional equipment; describes custom cabling options; and explains how to unpack your board. About the 6527 Device Tha...

Chapter 1 Introduction 6527 User Manual 1-2 www.ni.com Using PXI with CompactPCI Using PXI-compatible products with standard CompactPCI products is an important feature provided by the PXI Specification, Revision 1.0. If you use a PXI-compatible plug-in device in a standard CompactPCI chassis, you w...

Chapter 1 Introduction © National Instruments Corporation 1-3 6527 User Manual Unpacking Your 6527 device is shipped in an antistatic package to prevent electrostatic damage to the board. Electrostatic discharge can damage several components on the board. To avoid such damage in handling the board, ...

Chapter 1 Introduction 6527 User Manual 1-4 www.ni.com ComponentWorks contains tools for data acquisition and instrument control built on NI-DAQ driver software. ComponentWorks provides a higher-level programming interface for building virtual instruments through standard OLE controls and DLLs. With...

Chapter 1 Introduction © National Instruments Corporation 1-5 6527 User Manual Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware Optional Equipment National Instruments offers a variety of products to use with your 6527 device, including cables, connector bl...

Chapter 1 Introduction 6527 User Manual 1-6 www.ni.com Custom Cabling National Instruments offers cables and accessories for you to prototype your application or to use if you frequently change board interconnections. If you want to develop your own cable, note that the 6527 device uses a 100-pin fe...

© National Instruments Corporation 2-1 6527 User Manual 2 Installation and Configuration This chapter describes how to install and configure your 6527 device. Software Installation Note Install your software before you install your 6527 device. Refer to the appropriate release notes indicated below ...

Chapter 2 Installation and Configuration 6527 User Manual 2-2 www.ni.com 3. Remove the expansion slot cover on the back panel of the computer. 4. Touch a metal part inside your computer to discharge any static electricity that might be on your clothes or body. 5. Insert the PCI-6527 in a 5 V PCI slo...

© National Instruments Corporation 3-1 6527 User Manual 3 Signal Connections This chapter describes the pin arrangement, signal names, and signal connections on your 6527 device. Caution Connections that exceed any of the maximum ratings of input or output signals on your 6527 device can damage the ...

Chapter 3 Signal Connections © National Instruments Corporation 3-3 6527 User Manual Table 3-1 shows the functionality of each port. Cable Assembly Connectors The optional R1005050 cable assembly you can use with the 6527 device is an assembly of two 50-pin cables and three connectors. Both cables a...

Chapter 3 Signal Connections © National Instruments Corporation 3-5 6527 User Manual I/O Connector Signal Descriptions Table 3-2 lists the signal descriptions for the 6527 device I/O connector pins. Table 3-2. Signal Descriptions for 6527 Device I/O Connectors Pin Signal Name Description 33, 35, 37,...

Chapter 3 Signal Connections 6527 User Manual 3-6 www.ni.com Power Connections Four of the pins on the I/O connector are not isolated. Pin 50 and pin 100 connect to GND, the computer ground reference. Pin 49 and pin 99 of the I/O connector supply +5 V from the computer power supply via a self-resett...

Chapter 3 Signal Connections © National Instruments Corporation 3-7 6527 User Manual Isolation Voltages The positive and negative (DIG+ and DIG–) terminals of each channel are isolated from the other input and output channels, from the +5 V and GND pins, and from the computer power supply. Isolation...

Chapter 3 Signal Connections 6527 User Manual 3-8 www.ni.com Sensing DC Voltages When you apply a DC voltage of at least 2 V across the two input terminals, the 6527 device registers a logic high for that input. If no voltage is present (a voltage difference of 1 V or less), the 6527 device register...

Chapter 3 Signal Connections © National Instruments Corporation 3-9 6527 User Manual Reducing the Forward Current for High Voltages As input voltage increases above 5 V, the input current drawn by the 6527 (forward current I F ) also rises. At 24 V, for example, current is approximately (24 V – 1.5 ...

Chapter 3 Signal Connections 6527 User Manual 3-12 www.ni.com Overcurrent Protection The 6527 device outputs include circuitry to protect them from currents over the specified range. When excessive current flows through the relay, the relay increases resistance. Once the current level drops back und...

© National Instruments Corporation 4-1 6527 User Manual 4 Device Overview This chapter contains a functional overview of the 6527 device and explains the operation of each functional unit. The digital filter and change detection options are also described. Functional Overview The block diagram in Fi...

Chapter 4 Device Overview 6527 User Manual 4-2 www.ni.com Figure 4-1. 6527 Block Diagram PCI Interface Circuitry Your 6527 board uses the PCI MITE ASIC to communicate with the PCI bus. The PCI MITE was designed by National Instruments specifically for data acquisition. The PCI MITE is fully complian...

Chapter 4 Device Overview © National Instruments Corporation 4-3 6527 User Manual • Input ports – Read – Apply digital filtering (software programmable) – Detect changes on selected lines (software programmable) Table 3-1, Port Functionality for 6527 Devices , contains a summary of port functions. O...

Chapter 4 Device Overview © National Instruments Corporation 4-5 6527 User Manual Figure 4-2 shows a filter configuration with an 800 ns filter interval (400 ns filter clock). In practice, a much slower filter interval is recommended. In periods A and B the filter blocks the glitches because the ext...

© National Instruments Corporation A-1 6527 User Manual A Specifications This appendix lists the specifications for the 6527 devices. These specifications are typical at 25 ° C unless otherwise noted. Digital I/O PCI/PXI-6527......................................... 24 optically isolated digital inp...

Appendix A Specifications for 6527 User Manual A-2 www.ni.com Relay Outputs Number of channels ................................24, each with two terminals that are isolated from other channels Relay type ...............................................Normally open form A solid-state relays Max switc...

Appendix A Specifications for © National Instruments Corporation A-3 6527 User Manual Physical Dimensions (not including connectors) PCI-6527 ......................................... 17.5 × 10.7 cm (6.9 × 4.2 in.) PXI-6527 ......................................... 16 × 10 cm (6.3 × 3.9 in.) I/O con...

© National Instruments Corporation B-1 6527 User Manual B Technical Support Resources This appendix describes the comprehensive resources available to you in the Technical Support section of the National Instruments Web site and provides technical support telephone numbers for you to use if you have...

Appendix B Technical Support Resources 6527 User Manual B-2 www.ni.com Software-Related Resources • Instrument Driver Network —A library with hundreds of instrument drivers for control of standalone instruments via GPIB, VXI, or serial interfaces. You also can submit a request for a particular instr...

© National Instruments Corporation I-1 6527 User Manual Index Numbers +5 V signal description (table), 3-5power connections, 3-6 6527 devices block diagram, 4-2change notification, 4-5 to 4-6custom cabling, 1-6digital filtering, 4-3 to 4-5features, 1-1functional overview, 4-1 to 4-3optional equipmen...